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Norton System Causes ThorConnWndClass Error in Outlook: Fix it now!

Most of the computer users make use of Norton antivirus to keep their PC protected from viruses, Trojans and other threats. But sometimes it causes several issues in your Outlook database and hence, makes it inaccessible. Norton system comes with a component known as ThorConnWndClass which is a part of Crash Guard Symantec. At times this very module of Norton causes serious problems in Outlook like it closes abruptly, generates ThorConnWndClass error and many more. It corrupts your Outlook database and renders it inaccessible. It remains unfixed unless you use any PST Repair Solutions.

If you are using Norton Antivirus you might have experienced such types of problems while working on Outlook. At times it happens that you are unable to send/receive emails in Outlook because it halts in the midway and flashes with below error message:

"ThorConnWndClass unable to close"

Immediately after occurrence of error Outlook gets hanged and you are required to close it forcefully. The actual reason behind this error is ThorConnWndClass component of Norton which corrupts Outlook database and generates ThorConnWndClass error. There can be various other reasons responsible for the occurrence of this error. Some of them are mentioned below:

  • Improper installation of Outlook
  • Damaged Outlook settings
  • Corrupt add-ins and bar of Outlook
  • Damaged PST files
  • Corrupt emails in Outlook inbox

You can resolve the error using below mentioned steps:

  • Uninstall Norton system
  • Repair and correct Outlook settings issue
  • Recreate Outlook bar
  • Uninstall Outlook add-ins
  • Run Detect and Repair to check Outlook installation
  • Delete damaged or corrupt emails
  • Run Scanpst.exe or Inbox Repair Tool to repair the corrupt PST files

All aforementioned steps can help you to get rid of ThorConnWndClass error. However, if you still encounter same error message and scanpst.exe fails to repair the corrupt PST files then use any third party software. You can use Outlook PST Repair Software which safely repairs and restores your corrupt PST files. The software follows advanced scanning algorithm to detect and repair the corruption. It supports all versions of MS Outlook.

Scanpst.exe failed? Try Outlook PST Repair

Install the software with quick installation wizard. Just follow the 4 simple steps to successfully install the Outlook PST Repair.

Step 1
Launch the Outlook PST Repair from the desktop shortcut. And select the corrupted PST file.


Step 2
Click Next and follow the on-screen instruction to finish it. No need to Worry! Your Outlook.pst is in Hand of Professional.

Outlook PST Repair has very advance scanning alogorith as compared to the Scanpst.exe. You will see the difference in result, once the scanning is over.


Step 3
Once Scanning process is completed, Outlook PST repair will show the previews of all the recoverable components.

Step 4
After viewing the lost folder in the recovered item list. Go for the Licence key to save the pst file..


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Yes, it runs faster than the scanpst.exe and completely recovered all my lost emails & Tasks saved in my Ouloook. One Word - Use Outlook PST Repair instead of Scanpst.exe

Simsoe Yank

I really wanna say "Thank you", coz Outlook PST repair for restoring all my lost emails back. Keep up the Good Work!

Hemlon Gter

I tried SCANPST.exe a Inbox Repair Tool, and got nothing. But Outlook PST repair recovered all my emails back.



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